.body{
    line-height:26px;
}
.title{
    font-size: 24px;
    font-weight: bold;
    margin: 30px auto 10px;
    text-align: center;
}
.cnt{
    position: absolute;
    padding: 20px;
}
.start{
    position: absolute;
    top: 350px;
    left: 150px;
    width: 100px;
    height: 40px;
    font-size: 18px;
}